Somewhere in the neighborhood of 100 trillion bacteria live in the human gut, and they do not keep to themselves. As they ...

In less than a millionth of a second after a nuclear detonation or a severe nuclear reactor accident, an enormous burst of ...

Penn scientists may have found a way to power future AI with exotic light-matter particles instead of electrons.

A study reveals that wear of tires releases microplastics that are already part of the air pollution affecting people in ...

Muons are a key subatomic particle in the discovery of new physics, but after particle collision, they’re difficult to track.

Stardust Solutions says its tiny spheres can reflect the sun’s rays without harming people or the environment. Critics say ...

Researchers say the findings underscore how everyday household products may contribute to daily exposure to nanoplastics and ...

Eighty years ago, Penn researchers J. Presper Eckert and John Mauchly launched the age of electronic computing by harnessing ...

Going to smaller and smaller distance scales reveals more fundamental views of nature, which means if we can understand and describe the smallest scales, we can build our way to an understanding of ...

Empty space, despite how we think of it, may not be as empty as we assume. Although we cannot detect the virtual particles present in empty space, their presence is necessary to predict, ...